Name		Dibenzo-18-crown-6
Synonyms		2,3,11,12-Dibenzo-1,4,7,10,13,16-hexaoxacyclooctadeca-2,11-diene; 6,7,9,10,17,18,20,21-Octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecene
Molecular Structure
Molecular Formula		C20H24O6
Molecular Weight		360.41
CAS Registry Number		14187-32-7
EINECS		238-041-3
Properties
Melting point		160-164 ºC
Boiling point		380-384 ºC (679 mmHg)
Water solubility		sparingly soluble
Safety Data
Hazard Symbols		Xi    Details
Risk Codes		R36/37/38    Details
Safety Description		S26;S37/39    Details
MSDS		Available

Quaternary ammonium salt
Crown ether series In the molecule, the large ring polyether with a plurality of sub - B - oxygen - based structural units, also known as the cave ether and crown ether, are usually used in the synthesis of Williamson. Main use: fine organic synthesis with high efficient phase transfer catalyst, complexing agent, precious metals and rare earth elements separation and extraction with extraction agent, electronic industry ion conductive material, liquid crystal display device manufacturing materials.
   

Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA.

Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Active pharmaceutical ingredients(APIs), Veterinary,  Indole derivatives, Aromatics, Fluorine, Boronic acids, organocatalysts, chiral building blocks, heterocyclic compounds. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place. 

Our R&D team masters core technology for process-design of target building block as well as Tailor-made fine chemicals. Our manufactory specialised in extreme temperature conditions (-100ºC to +300ºC), hydrogenations reaction under high pressure, suzuki coupling reaction, photochemical reaction, Mitsunobu reactions, enantioselective reactions and asymmetric synthesis. 

Think Chemistry,Think CHemWill

Factory Plant Address:
High-Tech Industrial park,Chemical Economical Development Zone,Xuzhou, Jiangsu-Province, P.R.China


Shanghai office: (Export Department)
Address: 16FL., INDUSTRY & COMMERCIAL BUILDING, NO.45 YAN’AN ROAD(E), 200002, SHANGHAI, CHINA
 

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Ms Ella Lee  -   Deputy Sales Manager